[ 10.498990][ T254] bond1: (slave dummy1): making interface the new active one [ 10.500130][ T254] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 10.579621][ T256] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 10.674908][ T257] dummy1: entered promiscuous mode [ 11.138407][ T277] dummy1: left promiscuous mode [ 11.533922][ T278] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 11.565209][ T278] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 11.584240][ T278] bond1 (unregistering): Released all slaves [ 11.625331][ T278] ip (278) used greatest stack depth: 23304 bytes left [ 13.023081][ T309] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 13.031664][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 13.108706][ T311] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 13.135094][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 13.191604][ T312] dummy1: entered promiscuous mode [ 13.191901][ T312] dummy2: entered promiscuous mode [ 13.694456][ T325] dummy1: left promiscuous mode [ 13.694892][ T325] dummy2: left promiscuous mode [ 14.088824][ T326] [ 14.089127][ T326] ============================= [ 14.089315][ T326] WARNING: suspicious RCU usage [ 14.089764][ T326] 6.14.0-rc6-virtme #1 Not tainted [ 14.089949][ T326] ----------------------------- [ 14.090138][ T326] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 14.090430][ T326] [ 14.090430][ T326] other info that might help us debug this: [ 14.090430][ T326] [ 14.090786][ T326] [ 14.090786][ T326] rcu_scheduler_active = 2, debug_locks = 1 [ 14.091098][ T326] 3 locks held by ip/326: [ 14.091235][ T326] #0: ffffffff9760d048 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x221/0xa30 [ 14.091559][ T326] #1: ffff888011eb2d58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave+0xaa/0x2070 [ 14.091929][ T326] #2: ffffffff96d5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 14.092296][ T326] [ 14.092296][ T326] stack backtrace: [ 14.092525][ T326] CPU: 3 UID: 0 PID: 326 Comm: ip Not tainted 6.14.0-rc6-virtme #1 [ 14.092530][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.092533][ T326] Call Trace: [ 14.092535][ T326] [ 14.092538][ T326] dump_stack_lvl+0xb0/0xd0 [ 14.092549][ T326] lockdep_rcu_suspicious+0x1ea/0x280 [ 14.092569][ T326] dev_hard_start_xmit+0x2fc/0x3f0 [ 14.092583][ T326] __dev_queue_xmit+0xef9/0x1850 [ 14.092599][ T326] ? __pfx___dev_queue_xmit+0x10/0x10 [ 14.092606][ T326] ? __alloc_skb+0x148/0x2e0 [ 14.092613][ T326] ? __pfx___alloc_skb+0x10/0x10 [ 14.092616][ T326] ? bond_3ad_unbind_slave+0xaa/0x2070 [ 14.092626][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 14.092636][ T326] ? __netdev_alloc_skb+0x43/0x660 [ 14.092644][ T326] ad_lacpdu_send+0x572/0x680 [ 14.092653][ T326] bond_3ad_unbind_slave+0x86e/0x2070 [ 14.092664][ T326] ? __pfx_bond_3ad_unbind_slave+0x10/0x10 [ 14.092667][ T326] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 14.092687][ T326] __bond_release_one+0xfa0/0x1560 [ 14.092697][ T326] ? __lock_acquire+0xb9a/0x1680 [ 14.092703][ T326] ? __pfx___bond_release_one+0x10/0x10 [ 14.092714][ T326] ? find_held_lock+0x2c/0x110 [ 14.092726][ T326] ? __lock_release+0x103/0x460 [ 14.092730][ T326] ? packet_notifier+0x3a6/0x810 [ 14.092744][ T326] ? bond_netpoll_cleanup+0x158/0x290 [ 14.092753][ T326] ? __pfx_bond_netpoll_cleanup+0x10/0x10 [ 14.092767][ T326] bond_uninit+0x10c/0x340 [ 14.092773][ T326] ? __pfx_bond_uninit+0x10/0x10 [ 14.092779][ T326] ? notifier_call_chain+0xcd/0x150 [ 14.092792][ T326] unregister_netdevice_many_notify+0x39d/0x19d0 [ 14.092807][ T326] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 14.092810][ T326] ? rtnl_dellink+0x221/0xa30 [ 14.092814][ T326] ? sock_def_readable+0x11e/0x300 [ 14.092821][ T326] ? __pfx___mutex_lock+0x10/0x10 [ 14.092831][ T326] ? rtnl_is_locked+0x15/0x20 [ 14.092837][ T326] ? unregister_netdevice_queue+0x70/0x410 [ 14.092847][ T326] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 14.092855][ T326] ? __nla_validate_parse+0x48/0x3d0 [ 14.092871][ T326] rtnl_dellink+0x341/0xa30 [ 14.092879][ T326] ? __pfx_rtnl_dellink+0x10/0x10 [ 14.092951][ T326] ? find_held_lock+0x2c/0x110 [ 14.092963][ T326] ? __lock_release+0x103/0x460 [ 14.092967][ T326] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 14.092975][ T326] ? __pfx___lock_release+0x10/0x10 [ 14.092980][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 14.092998][ T326] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 14.093005][ T326] ? __pfx_rtnl_dellink+0x10/0x10 [ 14.093009][ T326] rtnetlink_rcv_msg+0x712/0xc10 [ 14.093020][ T326] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 14.093024][ T326] ? hlock_class+0x4e/0x130 [ 14.093028][ T326] ? mark_lock+0x38/0x3e0 [ 14.093039][ T326] ? __lock_acquire+0xb9a/0x1680 [ 14.093046][ T326] netlink_rcv_skb+0x130/0x360 [ 14.093054][ T326] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 14.093061][ T326] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 14.093084][ T326] ? netlink_deliver_tap+0x13e/0x340 [ 14.093090][ T326] ? netlink_deliver_tap+0xc3/0x340 [ 14.093098][ T326] netlink_unicast+0x44b/0x710 [ 14.093107][ T326] ? __pfx_netlink_unicast+0x10/0x10 [ 14.093112][ T326] ? find_held_lock+0x2c/0x110 [ 14.093123][ T326] netlink_sendmsg+0x723/0xbe0 [ 14.093133][ T326] ? __pfx_netlink_sendmsg+0x10/0x10 [ 14.093155][ T326] ____sys_sendmsg+0x7ac/0xa10 [ 14.093168][ T326] ? __pfx_____sys_sendmsg+0x10/0x10 [ 14.093173][ T326] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 14.093192][ T326] ___sys_sendmsg+0xee/0x170 [ 14.093200][ T326] ? __pfx____sys_sendmsg+0x10/0x10 [ 14.093209][ T326] ? kasan_save_stack+0x34/0x50 [ 14.093214][ T326] ? kasan_save_stack+0x24/0x50 [ 14.093217][ T326] ? kasan_record_aux_stack+0x8c/0xa0 [ 14.093221][ T326] ? __call_rcu_common.constprop.0+0xa1/0x5b0 [ 14.093225][ T326] ? __x64_sys_close+0x7c/0xd0 [ 14.093229][ T326] ? do_syscall_64+0xc1/0x1d0 [ 14.093234][ T326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 14.093240][ T326] ? __lock_acquire+0xb9a/0x1680 [ 14.093244][ T326] ? lock_downgrade+0xb2/0x110 [ 14.093252][ T326] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 14.093260][ T326] ? find_held_lock+0x2c/0x110 [ 14.093267][ T326] ? __lock_release+0x103/0x460 [ 14.093270][ T326] ? __virt_addr_valid+0x22b/0x430 [ 14.093277][ T326] ? __pfx___lock_release+0x10/0x10 [ 14.093280][ T326] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 14.093290][ T326] __sys_sendmsg+0x109/0x1a0 [ 14.093295][ T326] ? __pfx___sys_sendmsg+0x10/0x10 [ 14.093322][ T326] do_syscall_64+0xc1/0x1d0 [ 14.093327][ T326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 14.093330][ T326] RIP: 0033:0x7f5428b339a7 [ 14.093336][ T326] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 14.093339][ T326] RSP: 002b:00007ffc0b80c5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 14.093343][ T326] RAX: ffffffffffffffda RBX: 00007ffc0b80ccd0 RCX: 00007f5428b339a7 [ 14.093345][ T326] RDX: 0000000000000000 RSI: 00007ffc0b80c610 RDI: 0000000000000005 [ 14.093347][ T326] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 14.093349][ T326] R10: 00007f54289f1ef8 R11: 0000000000000246 R12: 0000000000000001 [ 14.093351][ T326] R13: 0000000067dabc5f R14: 0000000000498600 R15: 0000000000000000 [ 14.093369][ T326] [ 14.120631][ T326] bond1 (unregistering): (slave dummy1): Removing an active aggregator [ 14.121269][ T326] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 14.123526][ T326] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 14.140479][ T326] bond1 (unregistering): (slave dummy2): Removing an active aggregator [ 14.141530][ T326] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 14.160387][ T326] bond1 (unregistering): Released all slaves [ 14.188975][ T326] ip (326) used greatest stack depth: 22944 bytes left [ 15.485053][ T354] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 15.591344][ T12] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 15.695088][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 16.136045][ T368] bond1: (slave dummy1): Removing an active aggregator [ 16.136852][ T368] bond1: (slave dummy1): Releasing backup interface [ 16.648963][ T372] bond1 (unregistering): Released all slaves [ 17.303158][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 17.303943][ T389] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 17.406121][ T69] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 17.911708][ T402] bond1: (slave dummy1): Removing an active aggregator [ 17.912170][ T402] bond1: (slave dummy1): Releasing backup interface [ 18.535986][ T406] bond1 (unregistering): Released all slaves